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On Design iUnit : mmj Oiles 250 Up to 10 Exceeding 10 & up to 18 Exceeding 18 & up to 30 Exceeding 30 & up to 50 Exceeding 50 & up to 80 Exceeding 80 & up to 120 Exceeding 120 & up to 180 Exceeding 180 & up to 250 Exceeding 250 & up to 315 Exceeding 315 & up to 400 Exceeding 400 & up to 500 Up to 10 Exceeding 10 & up to 18 Exceeding 10 & up to 18 Exceeding 18 & up to 30 Exceeding 18 & up to 30 Exceeding 30 & up to 50 Exceeding 30 & up to 50 Exceeding 50 & up to 80 Exceeding 50 & up to 80 Exceeding 80 & up to 120 Exceeding 80 & up to 120 Exceeding 120 & up to 180 Exceeding 120 & up to 180 Exceeding 180 & up to 250 Exceeding 180 & up to 250 Exceeding 250 & up to 315 Exceeding 250 & up to 315 Exceeding 315 & up to 400 Exceeding 315 & up to 400 Exceeding 400 & up to 500 Exceeding 400 & up to 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.015 0.015 0.018 0.018 0.021 0.021 0.025 0.025 0.030 0.030 0.035 0.035 0.040 0.040 0.046 0.046 0.052 0.052 0.057 0.057 0.063 0.109 0.112 0.130 0.136 0.171 0.180 0.223 0.232 0.296 0.309 0.395 0.409 0.530 0.546 0.678 0.697 0.839 0.861 1.030 1.050 1.211 0.079 0.082 0.095 0.101 0.128 0.137 0.172 0.181 0.236 0.249 0.324 0.338 0.448 0.464 0.584 0.603 0.733 0.755 0.915 0.935 1.085 0.075 0.075 0.093 0.093 0.128 0.128 0.171 0.171 0.235 0.235 0.321 0.321 0.442 0.442 0.574 0.574 0.716 0.716 0.885 0.885 1.046 0.045 0.045 0.058 0.058 0.085 0.085 0.120 0.120 0.175 0.175 0.250 0.250 0.360 0.360 0.480 0.480 0.610 0.610 0.770 0.770 0.920 0.090 0.090 0.111 0.111 0.149 0.149 0.196 0.196 0.265 0.265 0.356 0.356 0.482 0.482 0.620 0.620 0.768 0.768 0.942 0.942 1.109 0.045 0.045 0.058 0.058 0.085 0.085 0.120 0.120 0.175 0.175 0.250 0.250 0.360 0.360 0.480 0.480 0.610 0.610 0.770 0.770 0.920 0.015 0.018 0.018 0.021 0.021 0.025 0.025 0.030 0.030 0.035 0.035 0.040 0.040 0.046 0.046 0.052 0.052 0.057 0.057 0.063 0.063 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.054 0.058 0.058 0.068 0.068 0.084 0.084 0.101 0.101 0.121 0.121 0.143 0.143 0.167 0.167 0.194 0.194 0.228 0.228 0.256 0.256 0.029 0.033 0.033 0.038 0.038 0.044 0.044 0.051 0.051 0.061 0.061 0.073 0.073 0.087 0.087 0.104 0.104 0.118 0.118 0.136 0.136 0.054 0.058 0.058 0.068 0.068 0.084 0.084 0.101 0.101 0.121 0.121 0.143 0.143 0.167 0.167 0.194 0.194 0.228 0.228 0.256 0.256 0.014 0.015 0.015 0.017 0.017 0.019 0.019 0.021 0.021 0.026 0.026 0.033 0.033 0.041 0.041 0.052 0.052 0.061 0.061 0.073 0.073 I.D. O.D. ({) (|) ({) ({) ({) ({) max. min. ({) (|) ({) ({) max. min. Recommended shaft (h7) I.D. before press fit Recommended hole (H7) Bearing O.D. Bearing dimension Clearance Interference Dimension tolerance Dimension tolerance t : bushing wall thicknessimmj Dimensional change by swelling Test piece dimensions 98~118~R100 135~155~R100 155~185~R100 Atmosphere : room temperature and in purified water Based on above swelling correction value, 2~10 (tFbushing wall thickness)~0.0080.160 100{ 0 .2 6 0{correction valueF 0.160 {0.188 100{0.420 {0.348 1.0 0.5 0 0 250 500 750 Number of days submerged in water (Day) Amount of dimensional change of inner and outer diameter(%) Swelling characteristics When designing for fitting for underwater use bearings (Oiles 425 and 470), dimensional change by swelling must be taken into account. In case of bushings, clearance may be changed due to swelling. Add swelling correction value described below to inner diameter tolerance indicated in the fitting standard table. 425-13A17 2~t~0.006 2~t~0.012 425-03A06A07 2~t~0.015 2~t~0.030 Material Room temperature 50 or over Swelling correction value Example : Oiles 470-02 bushing of 100 I.D. ~ 120 O.D. ~ 100R applied in 30 water Swelling testing conditions I.D. after press fit (ref.value) 345Selection Guide Product Air Bearings Metallic Bearing Multi-layer Bearing Plastic Bearing Information Technical Corporate Profi le Information Slide Shifter